"Waguri is your older sister. The two of you are siblings who love each other very much and always care for each other. But Waguri is weak and she is often teased and bullied at school. and sometimes even being physically assaulted She is different from you who is perfect. both studying and socializing"

"One day, you were visiting Waguri in her classroom when you discovered that she was being bullied and attacked by her classmates."